bool dng_shared::Parse_ifd0 (dng_stream &stream,
dng_exif & /* exif */,
uint32 parentCode,
uint32 tagCode,
uint32 tagType,
uint32 tagCount,
uint64 tagOffset)
{
switch (tagCode)
{
case tcXMP:
{
CheckTagType (parentCode, tagCode, tagType, ttByte);
fXMPCount = tagCount;
fXMPOffset = fXMPCount ? tagOffset : 0;
#if qDNGValidate
if (gVerbose)
{
printf ("XMP: Count = %u, Offset = %u\n",
(unsigned) fXMPCount,
(unsigned) fXMPOffset);
if (fXMPCount)
{
DumpXMP (stream, fXMPCount);
}
}
#endif
break;
}
case tcIPTC_NAA:
{
CheckTagType (parentCode, tagCode, tagType, ttLong, ttAscii);
fIPTC_NAA_Count = tagCount * TagTypeSize (tagType);
fIPTC_NAA_Offset = fIPTC_NAA_Count ? tagOffset : 0;
#if qDNGValidate
if (gVerbose)
{
printf ("IPTC/NAA: Count = %u, Offset = %u\n",
(unsigned) fIPTC_NAA_Count,
(unsigned) fIPTC_NAA_Offset);
if (fIPTC_NAA_Count)
{
DumpHexAscii (stream, fIPTC_NAA_Count);
}
// Compute and output the digest.
dng_memory_data buffer (fIPTC_NAA_Count);
stream.SetReadPosition (fIPTC_NAA_Offset);
stream.Get (buffer.Buffer (), fIPTC_NAA_Count);
const uint8 *data = buffer.Buffer_uint8 ();
uint32 count = fIPTC_NAA_Count;
// Method 1: Counting all bytes (this is correct).
{
dng_md5_printer printer;
printer.Process (data, count);
printf ("IPTCDigest: ");
DumpFingerprint (printer.Result ());
printf ("\n");
}
// Method 2: Ignoring zero padding.
{
uint32 removed = 0;
while ((removed < 3) && (count > 0) && (data [count - 1] == 0))
{
removed++;
count--;
}
if (removed != 0)
{
dng_md5_printer printer;
printer.Process (data, count);
printf ("IPTCDigest (ignoring zero padding): ");
DumpFingerprint (printer.Result ());
printf ("\n");
}
}
}
#endif
break;
}
case tcExifIFD:
{
CheckTagType (parentCode, tagCode, tagType, ttLong, ttIFD);
CheckTagCount (parentCode, tagCode, tagCount, 1);
fExifIFD = stream.TagValue_uint32 (tagType);
#if qDNGValidate
if (gVerbose)
{
printf ("ExifIFD: %u\n", (unsigned) fExifIFD);
}
#endif
break;
}
case tcGPSInfo:
{
CheckTagType (parentCode, tagCode, tagType, ttLong, ttIFD);
CheckTagCount (parentCode, tagCode, tagCount, 1);
fGPSInfo = stream.TagValue_uint32 (tagType);
#if qDNGValidate
if (gVerbose)
{
printf ("GPSInfo: %u\n", (unsigned) fGPSInfo);
}
#endif
break;
}
case tcKodakDCRPrivateIFD:
{
CheckTagType (parentCode, tagCode, tagType, ttLong, ttIFD);
CheckTagCount (parentCode, tagCode, tagCount, 1);
fKodakDCRPrivateIFD = stream.TagValue_uint32 (tagType);
#if qDNGValidate
if (gVerbose)
{
printf ("KodakDCRPrivateIFD: %u\n", (unsigned) fKodakDCRPrivateIFD);
}
#endif
break;
}
case tcKodakKDCPrivateIFD:
{
CheckTagType (parentCode, tagCode, tagType, ttLong, ttIFD);
CheckTagCount (parentCode, tagCode, tagCount, 1);
fKodakKDCPrivateIFD = stream.TagValue_uint32 (tagType);
#if qDNGValidate
if (gVerbose)
{
printf ("KodakKDCPrivateIFD: %u\n", (unsigned) fKodakKDCPrivateIFD);
}
#endif
break;
}
case tcDNGVersion:
{
CheckTagType (parentCode, tagCode, tagType, ttByte);
CheckTagCount (parentCode, tagCode, tagCount, 4);
uint32 b0 = stream.Get_uint8 ();
uint32 b1 = stream.Get_uint8 ();
uint32 b2 = stream.Get_uint8 ();
uint32 b3 = stream.Get_uint8 ();
fDNGVersion = (b0 << 24) | (b1 << 16) | (b2 << 8) | b3;
#if qDNGValidate
if (gVerbose)
{
printf ("DNGVersion: %u.%u.%u.%u\n",
(unsigned) b0,
(unsigned) b1,
(unsigned) b2,
(unsigned) b3);
}
#endif
break;
}
case tcDNGBackwardVersion:
{
CheckTagType (parentCode, tagCode, tagType, ttByte);
CheckTagCount (parentCode, tagCode, tagCount, 4);
uint32 b0 = stream.Get_uint8 ();
uint32 b1 = stream.Get_uint8 ();
uint32 b2 = stream.Get_uint8 ();
uint32 b3 = stream.Get_uint8 ();
fDNGBackwardVersion = (b0 << 24) | (b1 << 16) | (b2 << 8) | b3;
#if qDNGValidate
if (gVerbose)
{
printf ("DNGBackwardVersion: %u.%u.%u.%u\n",
(unsigned) b0,
(unsigned) b1,
(unsigned) b2,
(unsigned) b3);
}
#endif
break;
}
case tcUniqueCameraModel:
{
CheckTagType (parentCode, tagCode, tagType, ttAscii);
ParseStringTag (stream,
parentCode,
tagCode,
tagCount,
fUniqueCameraModel,
false);
bool didTrim = fUniqueCameraModel.TrimTrailingBlanks ();
#if qDNGValidate
if (didTrim)
{
ReportWarning ("UniqueCameraModel string has trailing blanks");
}
if (gVerbose)
{
printf ("UniqueCameraModel: ");
DumpString (fUniqueCameraModel);
printf ("\n");
}
#else
(void) didTrim; // Unused
#endif
break;
}
case tcLocalizedCameraModel:
{
CheckTagType (parentCode, tagCode, tagType, ttAscii, ttByte);
ParseStringTag (stream,
parentCode,
tagCode,
tagCount,
fLocalizedCameraModel,
false,
false);
bool didTrim = fLocalizedCameraModel.TrimTrailingBlanks ();
#if qDNGValidate
if (didTrim)
{
ReportWarning ("LocalizedCameraModel string has trailing blanks");
}
if (gVerbose)
{
printf ("LocalizedCameraModel: ");
DumpString (fLocalizedCameraModel);
printf ("\n");
}
#else
(void) didTrim; // Unused
#endif
break;
}
case tcCameraCalibration1:
{
CheckTagType (parentCode, tagCode, tagType, ttSRational);
if (!CheckColorImage (parentCode, tagCode, fCameraProfile.fColorPlanes))
return false;
if (!ParseMatrixTag (stream,
parentCode,
tagCode,
tagType,
tagCount,
fCameraProfile.fColorPlanes,
fCameraProfile.fColorPlanes,
fCameraCalibration1))
return false;
#if qDNGValidate
if (gVerbose)
{
printf ("CameraCalibration1:\n");
DumpMatrix (fCameraCalibration1);
}
#endif
break;
}
case tcCameraCalibration2:
{
CheckTagType (parentCode, tagCode, tagType, ttSRational);
if (!CheckColorImage (parentCode, tagCode, fCameraProfile.fColorPlanes))
return false;
if (!ParseMatrixTag (stream,
parentCode,
tagCode,
tagType,
tagCount,
fCameraProfile.fColorPlanes,
fCameraProfile.fColorPlanes,
fCameraCalibration2))
return false;
#if qDNGValidate
if (gVerbose)
{
printf ("CameraCalibration2:\n");
DumpMatrix (fCameraCalibration2);
}
#endif
break;
}
case tcCameraCalibrationSignature:
{
CheckTagType (parentCode, tagCode, tagType, ttAscii, ttByte);
ParseStringTag (stream,
parentCode,
tagCode,
tagCount,
fCameraCalibrationSignature,
false,
false);
#if qDNGValidate
if (gVerbose)
{
printf ("CameraCalibrationSignature: ");
DumpString (fCameraCalibrationSignature);
printf ("\n");
}
#endif
break;
}
case tcAnalogBalance:
{
CheckTagType (parentCode, tagCode, tagType, ttRational);
if (!CheckColorImage (parentCode, tagCode, fCameraProfile.fColorPlanes))
return false;
if (!ParseVectorTag (stream,
parentCode,
tagCode,
tagType,
tagCount,
fCameraProfile.fColorPlanes,
fAnalogBalance))
return false;
#if qDNGValidate
if (gVerbose)
{
printf ("AnalogBalance:");
DumpVector (fAnalogBalance);
}
#endif
break;
}
case tcAsShotNeutral:
{
CheckTagType (parentCode, tagCode, tagType, ttRational);
if (!CheckColorImage (parentCode, tagCode, fCameraProfile.fColorPlanes))
return false;
if (!ParseVectorTag (stream,
parentCode,
tagCode,
tagType,
tagCount,
fCameraProfile.fColorPlanes,
fAsShotNeutral))
return false;
#if qDNGValidate
if (gVerbose)
{
printf ("AsShotNeutral:");
DumpVector (fAsShotNeutral);
}
#endif
break;
}
case tcAsShotWhiteXY:
{
CheckTagType (parentCode, tagCode, tagType, ttRational);
if (!CheckColorImage (parentCode, tagCode, fCameraProfile.fColorPlanes))
return false;
if (!CheckTagCount (parentCode, tagCode, tagCount, 2))
return false;
fAsShotWhiteXY.x = stream.TagValue_real64 (tagType);
fAsShotWhiteXY.y = stream.TagValue_real64 (tagType);
#if qDNGValidate
if (gVerbose)
{
printf ("AsShotWhiteXY: %0.4f %0.4f\n",
fAsShotWhiteXY.x,
fAsShotWhiteXY.y);
}
#endif
break;
}
case tcBaselineExposure:
{
CheckTagType (parentCode, tagCode, tagType, ttSRational);
CheckTagCount (parentCode, tagCode, tagCount, 1);
fBaselineExposure = stream.TagValue_srational (tagType);
#if qDNGValidate
if (gVerbose)
{
printf ("BaselineExposure: %+0.2f\n",
fBaselineExposure.As_real64 ());
}
#endif
break;
}
case tcBaselineNoise:
{
CheckTagType (parentCode, tagCode, tagType, ttRational);
CheckTagCount (parentCode, tagCode, tagCount, 1);
fBaselineNoise = stream.TagValue_urational (tagType);
#if qDNGValidate
if (gVerbose)
{
printf ("BaselineNoise: %0.2f\n",
fBaselineNoise.As_real64 ());
}
#endif
break;
}
case tcNoiseReductionApplied:
{
if (!CheckTagType (parentCode, tagCode, tagType, ttRational))
return false;
if (!CheckTagCount (parentCode, tagCode, tagCount, 1))
return false;
fNoiseReductionApplied = stream.TagValue_urational (tagType);
#if qDNGValidate
if (gVerbose)
{
printf ("NoiseReductionApplied: %u/%u\n",
(unsigned) fNoiseReductionApplied.n,
(unsigned) fNoiseReductionApplied.d);
}
#endif
break;
}
case tcNoiseProfile:
{
if (!CheckTagType (parentCode, tagCode, tagType, ttDouble))
return false;
// Must be an even, positive number of doubles in a noise profile.
if (!tagCount || (tagCount & 1))
return false;
// Determine number of planes (i.e., half the number of doubles).
const uint32 numPlanes = Pin_uint32 (0,
tagCount >> 1,
kMaxColorPlanes);
// Parse the noise function parameters.
std::vector<dng_noise_function> noiseFunctions;
for (uint32 i = 0; i < numPlanes; i++)
{
const real64 scale = stream.TagValue_real64 (tagType);
const real64 offset = stream.TagValue_real64 (tagType);
noiseFunctions.push_back (dng_noise_function (scale, offset));
}
// Store the noise profile.
fNoiseProfile = dng_noise_profile (noiseFunctions);
// Debug.
#if qDNGValidate
if (gVerbose)
{
printf ("NoiseProfile:\n");
printf (" Planes: %u\n", numPlanes);
for (uint32 plane = 0; plane < numPlanes; plane++)
{
printf (" Noise function for plane %u: scale = %.8lf, offset = %.8lf\n",
plane,
noiseFunctions [plane].Scale (),
noiseFunctions [plane].Offset ());
}
}
#endif
break;
}
case tcBaselineSharpness:
{
CheckTagType (parentCode, tagCode, tagType, ttRational);
CheckTagCount (parentCode, tagCode, tagCount, 1);
fBaselineSharpness = stream.TagValue_urational (tagType);
#if qDNGValidate
if (gVerbose)
{
printf ("BaselineSharpness: %0.2f\n",
fBaselineSharpness.As_real64 ());
}
#endif
break;
}
case tcLinearResponseLimit:
{
CheckTagType (parentCode, tagCode, tagType, ttRational);
CheckTagCount (parentCode, tagCode, tagCount, 1);
fLinearResponseLimit = stream.TagValue_urational (tagType);
#if qDNGValidate
if (gVerbose)
{
printf ("LinearResponseLimit: %0.2f\n",
fLinearResponseLimit.As_real64 ());
}
#endif
break;
}
case tcShadowScale:
{
CheckTagType (parentCode, tagCode, tagType, ttRational);
CheckTagCount (parentCode, tagCode, tagCount, 1);
fShadowScale = stream.TagValue_urational (tagType);
#if qDNGValidate
if (gVerbose)
{
printf ("ShadowScale: %0.4f\n",
fShadowScale.As_real64 ());
}
#endif
break;
}
case tcDNGPrivateData:
{
CheckTagType (parentCode, tagCode, tagType, ttByte);
fDNGPrivateDataCount = tagCount;
fDNGPrivateDataOffset = tagOffset;
#if qDNGValidate
if (gVerbose)
{
printf ("DNGPrivateData: Count = %u, Offset = %u\n",
(unsigned) fDNGPrivateDataCount,
(unsigned) fDNGPrivateDataOffset);
DumpHexAscii (stream, tagCount);
}
#endif
break;
}
case tcMakerNoteSafety:
{
CheckTagType (parentCode, tagCode, tagType, ttShort);
CheckTagCount (parentCode, tagCode, tagCount, 1);
fMakerNoteSafety = stream.TagValue_uint32 (tagType);
#if qDNGValidate
if (gVerbose)
{
printf ("MakerNoteSafety: %s\n",
LookupMakerNoteSafety (fMakerNoteSafety));
}
#endif
break;
}
case tcRawImageDigest:
{
if (!CheckTagType (parentCode, tagCode, tagType, ttByte))
return false;
if (!CheckTagCount (parentCode, tagCode, tagCount, 16))
return false;
stream.Get (fRawImageDigest.data, 16);
#if qDNGValidate
if (gVerbose)
{
printf ("RawImageDigest: ");
DumpFingerprint (fRawImageDigest);
printf ("\n");
}
#endif
break;
}
case tcRawDataUniqueID:
{
if (!CheckTagType (parentCode, tagCode, tagType, ttByte))
return false;
if (!CheckTagCount (parentCode, tagCode, tagCount, 16))
return false;
stream.Get (fRawDataUniqueID.data, 16);
#if qDNGValidate
if (gVerbose)
{
printf ("RawDataUniqueID: ");
DumpFingerprint (fRawDataUniqueID);
printf ("\n");
}
#endif
break;
}
case tcOriginalRawFileName:
{
CheckTagType (parentCode, tagCode, tagType, ttAscii, ttByte);
ParseStringTag (stream,
parentCode,
tagCode,
tagCount,
fOriginalRawFileName,
false,
false);
#if qDNGValidate
if (gVerbose)
{
printf ("OriginalRawFileName: ");
DumpString (fOriginalRawFileName);
printf ("\n");
}
#endif
break;
}
case tcOriginalRawFileData:
{
CheckTagType (parentCode, tagCode, tagType, ttUndefined);
fOriginalRawFileDataCount = tagCount;
fOriginalRawFileDataOffset = tagOffset;
#if qDNGValidate
if (gVerbose)
{
printf ("OriginalRawFileData: Count = %u, Offset = %u\n",
(unsigned) fOriginalRawFileDataCount,
(unsigned) fOriginalRawFileDataOffset);
DumpHexAscii (stream, tagCount);
}
#endif
break;
}
case tcOriginalRawFileDigest:
{
if (!CheckTagType (parentCode, tagCode, tagType, ttByte))
return false;
if (!CheckTagCount (parentCode, tagCode, tagCount, 16))
return false;
stream.Get (fOriginalRawFileDigest.data, 16);
#if qDNGValidate
if (gVerbose)
{
printf ("OriginalRawFileDigest: ");
DumpFingerprint (fOriginalRawFileDigest);
printf ("\n");
}
#endif
break;
}
case tcAsShotICCProfile:
{
CheckTagType (parentCode, tagCode, tagType, ttUndefined);
fAsShotICCProfileCount = tagCount;
fAsShotICCProfileOffset = tagOffset;
#if qDNGValidate
if (gVerbose)
{
printf ("AsShotICCProfile: Count = %u, Offset = %u\n",
(unsigned) fAsShotICCProfileCount,
(unsigned) fAsShotICCProfileOffset);
DumpHexAscii (stream, tagCount);
}
#endif
break;
}
case tcAsShotPreProfileMatrix:
{
CheckTagType (parentCode, tagCode, tagType, ttSRational);
if (!CheckColorImage (parentCode, tagCode, fCameraProfile.fColorPlanes))
return false;
uint32 rows = fCameraProfile.fColorPlanes;
if (tagCount == fCameraProfile.fColorPlanes * 3)
{
rows = 3;
}
if (!ParseMatrixTag (stream,
parentCode,
tagCode,
tagType,
tagCount,
rows,
fCameraProfile.fColorPlanes,
fAsShotPreProfileMatrix))
return false;
#if qDNGValidate
if (gVerbose)
{
printf ("AsShotPreProfileMatrix:\n");
DumpMatrix (fAsShotPreProfileMatrix);
}
#endif
break;
}
case tcCurrentICCProfile:
{
CheckTagType (parentCode, tagCode, tagType, ttUndefined);
fCurrentICCProfileCount = tagCount;
fCurrentICCProfileOffset = tagOffset;
#if qDNGValidate
if (gVerbose)
{
printf ("CurrentICCProfile: Count = %u, Offset = %u\n",
(unsigned) fCurrentICCProfileCount,
(unsigned) fCurrentICCProfileOffset);
DumpHexAscii (stream, tagCount);
}
#endif
break;
}
case tcCurrentPreProfileMatrix:
{
CheckTagType (parentCode, tagCode, tagType, ttSRational);
if (!CheckColorImage (parentCode, tagCode, fCameraProfile.fColorPlanes))
return false;
uint32 rows = fCameraProfile.fColorPlanes;
if (tagCount == fCameraProfile.fColorPlanes * 3)
{
rows = 3;
}
if (!ParseMatrixTag (stream,
parentCode,
tagCode,
tagType,
tagCount,
rows,
fCameraProfile.fColorPlanes,
fCurrentPreProfileMatrix))
return false;
#if qDNGValidate
if (gVerbose)
{
printf ("CurrentPreProfileMatrix:\n");
DumpMatrix (fCurrentPreProfileMatrix);
}
#endif
break;
}
case tcColorimetricReference:
{
CheckTagType (parentCode, tagCode, tagType, ttShort);
CheckTagCount (parentCode, tagCode, tagCount, 1);
fColorimetricReference = stream.TagValue_uint32 (tagType);
#if qDNGValidate
if (gVerbose)
{
printf ("ColorimetricReference: %s\n",
LookupColorimetricReference (fColorimetricReference));
}
#endif
break;
}
case tcExtraCameraProfiles:
{
CheckTagType (parentCode, tagCode, tagType, ttLong);
CheckTagCount (parentCode, tagCode, tagCount, 1, tagCount);
#if qDNGValidate
if (gVerbose)
{
printf ("ExtraCameraProfiles: %u\n", (unsigned) tagCount);
}
#endif
fExtraCameraProfiles.reserve (tagCount);
for (uint32 index = 0; index < tagCount; index++)
{
#if qDNGValidate
if (gVerbose)
{
printf ("\nExtraCameraProfile [%u]:\n\n", (unsigned) index);
}
#endif
stream.SetReadPosition (tagOffset + index * 4);
uint32 profileOffset = stream.TagValue_uint32 (tagType);
dng_camera_profile_info profileInfo;
stream.SetReadPosition (profileOffset);
if (profileInfo.ParseExtended (stream))
{
fExtraCameraProfiles.push_back (profileInfo);
}
else
{
#if qDNGValidate
ReportWarning ("Unable to parse extra camera profile");
#endif
}
}
#if qDNGValidate
if (gVerbose)
{
printf ("\nDone with ExtraCameraProfiles\n\n");
}
#endif
break;
}
case tcAsShotProfileName:
{
CheckTagType (parentCode, tagCode, tagType, ttAscii, ttByte);
ParseStringTag (stream,
parentCode,
tagCode,
tagCount,
fAsShotProfileName,
false,
false);
#if qDNGValidate
if (gVerbose)
{
printf ("AsShotProfileName: ");
DumpString (fAsShotProfileName);
printf ("\n");
}
#endif
break;
}
default:
{
// The main camera profile tags also appear in IFD 0
return fCameraProfile.ParseTag (stream,
parentCode,
tagCode,
tagType,
tagCount,
tagOffset);
}
}
return true;
}
bool DngExif::Parse_ifd0_exif (dng_stream &stream,
dng_shared &shared,
uint32 parentCode,
uint32 tagCode,
uint32 tagType,
uint32 tagCount,
uint64 tagOffset)
{
switch (tagCode)
{
case tcCameraOwnerName:
{
CheckTagType(parentCode, tagCode, tagType, ttAscii);
ParseStringTag(stream, parentCode, tagCode, tagCount, fOwnerName);
#if qDNGValidate
if(gVerbose)
{
printf("CameraOwnerName: ");
DumpString(fOwnerName);
printf("\n");
}
#endif
break;
}
case tcBodySerialNumber:
{
CheckTagType(parentCode, tagCode, tagType, ttAscii);
ParseStringTag(stream, parentCode, tagCode, tagCount, fCameraSerialNumber);
#if qDNGValidate
if(gVerbose)
{
printf("BodySerialNumber: ");
DumpString(fCameraSerialNumber);
printf("\n");
}
#endif
break;
}
case tcLensSpecification:
{
CheckTagType(parentCode, tagCode, tagType, ttRational);
if (!CheckTagCount(parentCode, tagCode, tagCount, 4))
return false;
fLensInfo[0] = stream.TagValue_urational(tagType);
fLensInfo[1] = stream.TagValue_urational(tagType);
fLensInfo[2] = stream.TagValue_urational(tagType);
fLensInfo[3] = stream.TagValue_urational(tagType);
// Some third party software wrote zero rather and undefined values
// for unknown entries. Work around this bug.
for (uint32 j = 0; j < 4; j++)
{
if (fLensInfo[j].IsValid() && fLensInfo[j].As_real64() <= 0.0)
{
fLensInfo[j] = dng_urational(0, 0);
#if qDNGValidate
ReportWarning ("Zero entry in LensInfo tag--should be undefined");
#endif
}
}
#if qDNGValidate
if(gVerbose)
{
printf("LensSpecification: ");
real64 minFL = fLensInfo[0].As_real64();
real64 maxFL = fLensInfo[1].As_real64();
if (minFL == maxFL)
printf ("%0.1f mm", minFL);
else
printf ("%0.1f-%0.1f mm", minFL, maxFL);
if (fLensInfo[2].d)
{
real64 minFS = fLensInfo[2].As_real64();
real64 maxFS = fLensInfo[3].As_real64();
if (minFS == maxFS)
printf(" f/%0.1f", minFS);
else
printf(" f/%0.1f-%0.1f", minFS, maxFS);
}
printf("\n");
}
#endif
break;
}
case tcLensMake:
break;
case tcLensModel:
{
CheckTagType(parentCode, tagCode, tagType, ttAscii);
ParseStringTag(stream, parentCode, tagCode, tagCount, fLensName);
#if qDNGValidate
if(gVerbose)
{
printf("LensModel: ");
DumpString(fLensName);
printf("\n");
}
#endif
break;
}
case tcLensSerialNumber:
{
CheckTagType(parentCode, tagCode, tagType, ttAscii);
ParseStringTag(stream, parentCode, tagCode, tagCount, fLensSerialNumber);
#if qDNGValidate
if(gVerbose)
{
printf("LensSerialNumber: ");
DumpString(fLensSerialNumber);
printf("\n");
}
#endif
break;
}
default:
{
return dng_exif::Parse_ifd0_exif(stream, shared, parentCode, tagCode, tagType, tagCount, tagOffset);
}
}
return true;
}
